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3-2. Zero and span adjustment

The SVX provides an zero and span adjustment function.
This method is also useful when the communicator is not available.
There are three ways to perform zero and span adjustment.

Using the switch

Using communicator by input signal

Using communicator by supply air

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Содержание SVX100

Страница 1: ...CM2 SVX100 2001 Smart Valve Positioner for Rotary Valve Model SVX100 102 User s Manual...

Страница 2: ...s for a particular purpose and makes no express warranty except as may be stated in its written agreement with and for its customer In no event shall Azbil Corporation be liable to anyone for any indi...

Страница 3: ...SVX To use this product correctly and safely always observe the following precautions We are not responsible for damage or injury caused by the use of the product in violation of these precautions Han...

Страница 4: ...specifications carefully and make sure to wire correctly Incorrect wiring can cause device damage or malfunction Supply electric power correctly according to the specifications Supplying power that d...

Страница 5: ...e following items Tag number TAG NO Model number MODEL Factory number PROD Input current range INPUT Air supply pressure SUPPLY Inquiries If you have any questions about the specifications please cont...

Страница 6: ...iv...

Страница 7: ...4 3 2 Adjustment data confirmation 33 4 4 Device Configuration and Adjustment 34 4 4 1 Auto setup 34 4 4 2 Zero span adjustment 35 4 4 3 Valve system 36 4 4 4 Control configuration 37 4 4 5 Input rang...

Страница 8: ...1 1 Using the Field Communication Software Model CFS100 55 5 1 2 Using a HART Communicator 55 5 1 3 General troubleshooting 56 5 2 Maintenance 59 5 2 1 Auto Manual selection switch 59 5 2 2 Filter re...

Страница 9: ...vii...

Страница 10: ...viii...

Страница 11: ...n of the control valve can be set arbitrarily Split range and other special settings are also easy to set up An overview of an SVX system is shown below Regulator valve with filter Shut off valve 4 20...

Страница 12: ...SW 4 20 mA DC Controller Check pin Field Communication Software Model CFS100 Fig 1 2 System structure for model SVX100 Model SVX102 Data can be written to and read from the SVX database by using the...

Страница 13: ...tion s Field Communication Software model CFS100 can be used for all configuration calibration and maintenance of the SVX SVX original communicator functions are documented fully in this manual See th...

Страница 14: ...1 1 0 4 kg f cm 2 3 0 3 2 0 MPa 0 4 Output air pressure gauge Reversing relay Pilot relay Supply air pressure gauge Joint MAN AUTO DOWN UP TRAVEL SW Adjustment switch Terminal of input signal Auto Man...

Страница 15: ...when supply air pressure is not supplied in normal condition Supply air pressure gauge Indicates the supplied air pressure Output air pressure gauge Indicates the pressure of the output air Air supply...

Страница 16: ...6...

Страница 17: ...relative humidity of 10 to 90 RH Where there is no chance of sudden temperature or humidity changes Where magnetic field induction is not more than 400 A m Avoid locations near large scale transforme...

Страница 18: ...verify that the valve is oriented correctly Transport the SVX in its original packing to as close to the point of installation as possible Do not apply excessive force to the feedback lever or bend t...

Страница 19: ...y using the four hexagon head bolts M6 12 and spring washers provided 2 Fasten the SVX mounting plate securely to the actuator s mounting structure using the bolts and washers provided During this ope...

Страница 20: ...rs provided 2 Fasten the SVX mounting plate securely to the actuator s mounting structure using the bolts and washers provided During this operation pass the actuator s feedback pin through the slot i...

Страница 21: ...urely to the actuator s mounting structure using the bolts and washers provided During this operation put the SVX feedback stem in actuator stem with a joint Actuator SVX Mounting plate Joint in case...

Страница 22: ...on Fig 2 4 Feedback pin and feedback lever connection 3 The angle between the feedback lever and the pin must be 90 when seen from above Feedback lever Pin 90 Fig 2 5 Angle between feedback lever and...

Страница 23: ...ompressor and a main line type or end installation type compressed air cleaner 1 Compressed air cleaner for main lines Select a main line filter and a compressed air cleaner for main lines such as the...

Страница 24: ...hing function Use a 3 m or better filter to solid state particulate matter from the air supply If a filter is not provided on the regulator insert a separate 3 m or better filter immediately before th...

Страница 25: ...tion OUT2 Rc1 4 or 1 4NPT therad Output air connection OUT1 Rc1 4 or 1 4NPT Supply air connection SUP Rc1 4 or 1 4NPT thread Fig 2 7 Connecting the air supply without pressure gauge Output air connect...

Страница 26: ...sealing tape Note Sealing tape is preferable to solid or liquid sealant for pipe joints to SVX air connections Prevent sealing tape sealant from pipes 3 Connect the other air connection to each joint...

Страница 27: ...the NEC National Electric Code Outside diameter on cables must be 1 4 inch to 7 16 inch 7 mm to 12 mm In a location that can be affected by electrical noise run shielded wires through a metal conduit...

Страница 28: ...lugs according to how the wiring for the SVX will be performed 3 Insert cables into the conduit connection Strip and attach the appropriate wires to the terminals checking for polarity Crimp contacts...

Страница 29: ...ommunication Software model CFS100 Refer to the operation manual for Smart Valve Positioner CM2 CFS100 2010 Using HART Communicator Refer to 5 1 2 Using a HART Communicator on page 55 Note After auto...

Страница 30: ...ocument and set the valve action to the reverse settings If the valve action parameters set up for the SVX in Table 3 1 is the direct values no further parameter settings are required The SVX is shipp...

Страница 31: ...sponding to the signal If the span position has shifted perform a span adjustment operation Refer to 3 2 Zero and span adjustment on page 22 In some cases the auto setup routine will not properly dete...

Страница 32: ...s an zero and span adjustment function This method is also useful when the communicator is not available There are three ways to perform zero and span adjustment Using the switch Using communicator by...

Страница 33: ...ng the lever in the upward direction The feedback lever moves down when the DOWN adjustment switch is pressed Fig 3 3 Adjusting the lever in the downward direction Note The zero and span adjustment fu...

Страница 34: ...open position span is given below Step Procedure 1 Input the setting current value that corresponds to the valve being fully open from the controller constant current supply Example 20 mA 2 Adjust the...

Страница 35: ...correctly restore the electrical wiring to its original state and tighten down the cover firmly Refer to 2 3 Electrical wiring on page 17 Operation startup procedure The SVX and the control valve for...

Страница 36: ...ow Step Procedure 1 Stop operation of the process Move each valve to the air fail position 2 Turn off the input signal power supply to the SVX 3 Turn of the air supply to the SVX Note If the SVX is in...

Страница 37: ...r This chapter describes operations that are performed using communication Refer to this chapter for information regarding the basics of operations the relationship between modes and data settings dat...

Страница 38: ...mA DC to the input signal terminal When doing so be sure to remove the wires coming from the controller off of the terminals 4 1 1 Wiring method Introduction The wiring method for communicating with t...

Страница 39: ...4 4 Device Configuration and Adjustment 4 4 1 Auto setup 4 4 2 Zero span adjustment 4 4 3 Control valve system configuration 4 4 4 Control parameter configuration 4 4 5 Input signal range configuratio...

Страница 40: ...30 4 2 1 Menu Tree...

Страница 41: ...RT version 2 Not displayed on the SFN version 3 Not displayed when DE communication selected 4 Enabled when DE communication selected not shown 5 Displayed when Actuator Size is Param0 6 Displayed whe...

Страница 42: ...chapter describes the functions of the following versions Model SVX100 Azbil software version 3 5 or later Model SVX102 HART Version 6 Device revision 1 Software revision 1 or later Azbil software ver...

Страница 43: ...Signal Displays the EPM electro pneumatic module drive signal 5 Temperature Displays the positioner internal temperature C 4 3 2 Adjustment data confirmation Select Device Setup Basic Setup You will...

Страница 44: ...or size selection 5 Hysteresis difference selection 6 Travel transmission fail safe selection WARNING During auto setup the valve moves from fully open Take appropriate measures beforehand to ensure t...

Страница 45: ...the Zero Adjustment menu 7 The screen for the forced fully closed setting will appear If you have already modified this value return to the original value 8 Select Exit from the Zero Span Adjustment...

Страница 46: ...on from open to closed set this to Direct if the feedback lever moves upward set this to Reverse The procedure for configuring valve action is shown below step Procedure 1 Select Device Setup Valve Sy...

Страница 47: ...ue cm3 PARAM C to 0 58 PARAM B to 0 8 PARAM A to 1 02 PARAM 1 to 1 5 PSA1 PSK1 600 PARAM 2 to 3 PSA2 HA2 1 400 PARAM 3 to 6 6 PSA3 HA3 2 700 PARAM 4 to 12 PSA4 HA4 6 600 PARAM 5 to 99 VA5 25 300 PARAM...

Страница 48: ...if parameter 0 has been selected the gap operation type PID parameters can be set individually The gap action PID method is utilized as the dynamic characteristics algorithm for this device In the ga...

Страница 49: ...split range can be specified as well Note Set these values so that the electric current input span the difference between LRV and URV is in the 4 to 16 mA range If the span is 8 mA or less the accura...

Страница 50: ...3 Send the modified setting to the device using the transmission button User defined Data This function sets user defined flow rate characteristics conversion data There are 16 data points for input...

Страница 51: ...tup has been executed the forced fully open setting will be 1 less than the overstroke percentage The forced fully open and forced fully closed settings have a hysteresis difference of 0 1 As a result...

Страница 52: ...formation 7 Date HART version only Displays and allows modification of specific dates such as the last configuration date for the device 8 Descriptor HART version only Displays and allows modification...

Страница 53: ...ported by model SVX102 2 Device Revision HART version only Displays the revision number of the device specific commands supported by model SVX102 3 Software Revision HART version only Displays the rev...

Страница 54: ...e controller and the input signal of 4 mA or 20 mA perceived by the device 4 mA electric current input calibration procedure step Procedure 1 Select Device Maintenance Input Calibration Calibrate 4 mA...

Страница 55: ...2 Select a dummy input signal 0 50 100 or Other from the Dummy Input Signal menu 3 If you selected Other enter a value 0 to 100 4 To cancel the dummy input signal select Clear from the Dummy Input Si...

Страница 56: ...Load saved settings Returns all of the device s internal data settings to the settings at the time of shipping This is useful when for instance installing the device on a different control valve If t...

Страница 57: ...lip menu to execute the update Clear Stick Slip Count Resets the count to zero Select the Clear Stick Slip Count menu to reset the count Stick Slip XY Threshold Displays and allows modification of the...

Страница 58: ...us If the status is Enabled alarms will occur and if the status is Disabled alarms will not occur 4 7 3 Cycle Count Counts the total number of times that the valve position reverses after at least the...

Страница 59: ...item Travel Segmentation 1 to Travel Segmentation 16 Displays and allows modification of the 15 position regions for the 16 positions 4 7 5 0 Travel Error When the valve is fully closed the zero point...

Страница 60: ...7 Max Travel Speed The maximum operating speed per unit time of the valve Select Diagnostics Valve Diagnostic Information Max Travel Speed You will be able to check or modify the following items To c...

Страница 61: ...If the status is Enabled alarms will occur and if the status is Disabled alarms will not occur 4 7 9 Temperature Alarm Select Diagnostics Valve Diagnostic Information Temperature Alarm You will be ab...

Страница 62: ...re 4 8 2 Device Status Select Diagnostics Positioner Diagnostic Status Device Status You will be able to check the status conditions shown below If the value of this item is ON a failure was observed...

Страница 63: ...urs when there is downward deviation between current 0 travel angle and initial 0 travel angle Shut Off Count Alarm The Shut Off Count Alarm occurs when the total number of valve closures exceeds the...

Страница 64: ...475 Communicator If Actuator Size is set to Param0 and GE in PID Parameters is set to any value other than 0 0 then even if GE is changed to 0 0 and GP GI and GD are also changed and these settings a...

Страница 65: ...he SVX and if no action is taken may lead to damage to the SVX itself Should serious trouble occur during SVX operations the SVX will drive the valve to the fail safe position The Field Communication...

Страница 66: ...in Auto 5 Check the flapper and the filter clears 6 If communication can be made with the Communicator perform self diagnostics and take action based on errors messages Refer to Troubleshooting Codes...

Страница 67: ...see if valve stem moves smoothly If it does not this may indicated galling or hardening of the valve packing 2 Confirm that the internal SVX settings for actuator size hysteresis etc are appropriate f...

Страница 68: ...ed fully open close values HI LO EPM OUT Electro pneumatic Module is outside normal range No air is being supplied Valve is closed Galling of valve stem Clogged nozzle Clogged orifice Input signal is...

Страница 69: ...al operation The supplied air pressure is output directly from the positioner This allows manual operation using a pressure regulator See Fig 5 3 CAUTION The double acting actuator has no manual opera...

Страница 70: ...lockwise Do not loosen this screw Fig 5 2 Switching from automatic normal operating state to manual operating State Note Do not loosen the A M switch cover plate screw Switching from manual operation...

Страница 71: ...Use nippers or another tool to cut the holder and remove the old filter Note Dispose of the old holder and filter appropriately 5 Use wire to remove the contamination from the restriction diameter 0...

Страница 72: ...red and plant operation will not be adversely influenced even if the valve moves suddenly Procedure Step No Procedure 1 Remove the cover 2 Remove four screws from the cover plate 3 Remove the plate by...

Страница 73: ...EPM balance adjustment can cause the valve position to change rapidly Only perform this adjustment in a state where no one will be injured and plant operation will not be adversely influenced even if...

Страница 74: ...ocedure Remove the external wiring Short circuit both plus and minus input signal terminals Perform the test between these short circuited sections and the grounding terminal Applied voltage and crite...

Страница 75: ...ator size PARAM 1 Hysteresis HEAVY PID parameters parameter 0 P 1 200 I 4 000 D 0 5000 GE 0 000 GP 0 7000 GI 4 000 GD 0 5000 Flow characteristics LINEAR User defined flow characteristics data Pressure...

Страница 76: ...and A D converter block VTD position sensor Pilot relay Controller Feedback lever Control valve Surge absorber 4 to 20 mA DC IIN Zero and span adjustment switch EPM driver block EPM electropneumatic...

Страница 77: ...rrent correction Input signal ranging PID control calculation Zero and span ranging Valve position detection EPM Positioner direct reverse Pilot relay Pneumatic signal amplifier Actuator Actuator dire...

Страница 78: ...t bolt 7 Arm spring 9 Adapter 10 Fork lever Fig 5 9 Replacement parts Table 5 1 Replace parts No Parts Qty 1 Cover assembly with screw packing 1 2 Gasket pilot relay 1 3 Pilot relay 1 4 Pilot relay co...

Страница 79: ......

Страница 80: ...equired to check the functions and safety of your Equipment prior to your use 3 Measures to be taken to secure the required level of the reliability and safety of your Equipment in your use Although a...

Страница 81: ...struction manuals or depending on the design margin of your machine or equipment you are required to renew any Azbil Corporation s products every 5 to 10 years unless otherwise specified in specificat...

Страница 82: ......

Страница 83: ...Document Number CM2 SVX100 2001 Document Name Smart Valve Positioner for Rotary Valve Model SVX100 102 User s Manual Date 1st edition Dec 2002 7th editon Nov 2021 Issued Edited by...

Страница 84: ......

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